package com.heima.behavior.service.impl;

import com.baomidou.mybatisplus.extension.api.R;
import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApReadBehaviorService;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.ReadBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApReadBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojo.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

import java.util.Date;

@Service
@Slf4j
public class ApReadBehaviorServiceImpl implements ApReadBehaviorService {

    @Autowired
    ApBehaviorEntryService  apBehaviorEntryService;

    @Autowired
    MongoTemplate mongoTemplate;


    @Override
    public ResponseResult readBehavior(ReadBehaviorDTO dto) {
        //1. 校验参数 文章id必须传
        ApUser user = AppThreadLocalUtils.getUser();
        if (user == null){
            CustException.cust(AppHttpCodeEnum.NEED_LOGIN);
        }
        //2. 根据登录用户id 或 设备id查询行为实体数据(阅读操作可不登录)
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(user.getId(), dto.getEquipmentId());
        if (apBehaviorEntry == null){
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST,"获取信息失败");
        }
        //3. 判断阅读行为是否存在
        Query query = Query.query(Criteria.where("entryId").is(apBehaviorEntry.getId()).and("articleId").is(dto.getArticleId()));
        ApReadBehavior readBehavior = mongoTemplate.findOne(query, ApReadBehavior.class);
        if (readBehavior == null){
            //3.1不存在  创建阅读行为 并初始化count字段值为 1
            readBehavior = new ApReadBehavior();
            readBehavior.setEntryId(apBehaviorEntry.getId());
            readBehavior.setArticleId(dto.getArticleId());
            readBehavior.setCount((short)1);
            readBehavior.setCreatedTime(new Date());
            readBehavior.setUpdatedTime(new Date());
            mongoTemplate.save(readBehavior);
        }else {
            //3.2存在  将阅读行为的count字段加1 并修改
            readBehavior.setCount((short)(readBehavior.getCount() + 1));
            mongoTemplate.save(readBehavior);
        }
        return ResponseResult.okResult();
    }
}
